Answer:
The answer is D
Step-by-step explanation:
Answer:
a decimal
Step-by-step explanation:
(18 * 4) + (1500 * .13) = total rental cost
18 * 4 = 72
1500 * 0.13 = 195
72 + 195 = 267
His total rental cost is $267.
X=x+12
"x" is the number of science books and "x+12" is the number of science books plus the additional history books.